Mice lacking the ability to make caspase-9 die as the result of numerous defects. During the necropsy (animal autopsy) of the animal you note that the brains of these mice are
A) unregulated growth of the nerve cells.
B) lack of apoptosis of some cells.
C) overstimulation of G-protein-mediated transduction.
D) overproduction of the Etr1 receptor protein.
E) all of the above
B) lack of apoptosis of some cells.
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Typically ________ of ORFs in a genome cannot clearly be assigned a function. These ORFs are usually assigned and predicted to encode hypothetical proteins
A) < 1 % B) 5 % C) 30 % D) 90 %
Conservation biology is an interdisciplinary science that focuses on ____
a. saving endangered species b. sequencing the DNA of all species on Earth c. cataloging endemic plant species d. researching trigger species e. maintenance and preservation of biodiversity
Which of the following plant nutrients is
mismatched with its function?
a. nitrogen--component of nucleic acids b. phosphorous--component of proteins c. sulfur--component of chlorophyll d. iron--enzyme cofactor e. all of these plant nutrients are matched correctly with their functions
In temperate-zone lakes, spring and fall _______ cause vertical mixing of waters and trigger a burst of productivity.
Fill in the blank(s) with the appropriate word(s).